This challenge coin honors the bravery and skill of the crew of the USS Colorado SSN-788, a state-of-the-art submarine that can operate in any environment. The coin features the submarine crest on one side and the slogan "Run Silent, Run Deep" on the other. This is a great addition to any collection of military memorabilia or challenge coins. It is an original item that celebrates the achievements of the Navy and the brave men and women who serve in it. Own a piece of history with this unique and valuable item.